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An application for preliminary plat review shall be submitted in accordance with paragraph 3.2.4, Application Requirements. Preliminary plat documents showing the proposed subdivision of the land into lots shall contain, as a minimum, the information listed below unless the Planning Director, or designee, makes the determination that less detailed information is required for adequate review. No processing or review of a preliminary plat will proceed without the required information. Detailed standards and specifications for design and construction are available from City, County and State agencies, as applicable.

A. General Requirements

1. Title Block – Name of project, labeled Preliminary Plat; submittal and revision dates; sheet size (36 inches by 48 inches maximum) with index map and match lines if multiple sheets are required; graphic scale (not smaller than one inch to 200 feet on a standard engineering scale); north point; property identification number; vicinity map clearly establishing the location of the proposed project, with readily recognizable landmarks, stream buffers, flood plain boundaries, property zoning districts and any overlay zones.

2. Name, address and telephone number of owner, applicant and agent; name, address and telephone number of surveyor, engineer, landscape architect, or other designer, with seal.

3. In addition, State or Federal regulations may require that additional information be supplied to the Planning Department as a part of a submittal.

B. Existing Conditions

1. Boundary of the property, using metes and bounds with angle of departure of adjacent properties; site size and amount to be developed; lot lines; building foot prints and square footage; improvements, such as loading areas, parking areas, driveways, alleys, streets, sidewalks, etc.; any septic tanks, drain fields and wells; culverts and other subsurface features; all utility easements, above and below ground, including information on type, size, and elevation; railroads; cemeteries; setback requirements; zoning of the site and adjacent zoning, including any overlay zones; land use of the site and adjacent land uses including major improvements within 50 feet of the subject property; adjacent property owners; adjacent streets, including name and right of way width. Existing features shall be clearly distinguishable from proposed development.

2. Topographic contours at two-foot intervals for all property within 100 feet of a proposed development area and topographic contours at five-foot contour intervals for the remainder of the property including a source reference; locations and names of water features including shorelines, water bodies, intermittent and perennial streams; a major specimen tree survey; locations of drainage ways, stream buffers, floodways, floodway fringes, wetlands and wetland buffers; locations of vegetation, rock outcrops, steep slope areas, Durham Natural Inventory sites and Durham Historic Inventory Sites.

3. A list of any conditions applied to the property as part of any previous approvals.

C. Proposed Conditions

1. Street Improvements (Public and Private): location of improvements or widenings, names, widths of rights of way and pavement, design criteria including sight triangles and a typical cross section; Traffic Impact Analysis, if required.

2. Pedestrian Circulation: location of sidewalks and other pedestrian ways including dimensions and surfacing, along streets and other locations; provision of crosswalks.

3. Landscaping: location of all plant materials and other landscaping features, including calculations of amount required and the amount provided; the number, size, and description of plant materials, fences, walls and berms; provisions for screening specialized features, such as storage areas; calculations of the amount of tree coverage required and the amount and percentage of tree coverage provided by tree preservation and tree replacement; calculation of the amount of street trees and the amount provided by tree preservation and tree installation; a land disturbance tree survey; and the location and a description of all proposed and required tree protection measures.

4. Grading: location of vegetation to be retained including approximate sizes and protection measures to be used; a depiction of contours at two foot intervals, supplemented with spot elevations when necessary, including location, description, and size of any retaining walls; dimensions of stream buffers.

5. Utilities: location and width of all easements and rights of way for water, sewer, storm sewers, gas, electric, communication facilities, or any other utility facility.

6. Storm Drainage: location and description of temporary and permanent storm drainage pipes and swales; amount of impervious surface; provisions for erosion and sedimentation controls, including retention and detention facilities; mechanisms for complying with paragraph 8.5.5, Diffuse Flow Requirements; as well as professionally sealed engineering calculations used in the design.

7. Water and Sewer: location and description of public and private water and sanitary sewer improvements including connections to existing facilities and maintenance provisions.

8. Property Dedications/Reservations: location and description of dedicated or reserved properties under public or private ownership including the boundaries, size, purpose, future ownership and maintenance provisions for the property. This category includes but is not limited to rights-of-way, rail corridors, greenways, recreation facilities, open space and common areas.

9. Specific performance standards as required by other Articles of the UDO.

10. Within Special Flood Hazard Areas and Future Conditions Flood Hazard Areas: demonstration that the subdivision will minimize flood damage through the location and construction of all public utilities and facilities, including water and sewer systems; adequate drainage in accordance with adopted standards to reduce exposure to flood hazards.

D. Traffic Impact Analysis

A traffic impact analysis (TIA) pursuant to Sec. 3.3, Traffic Impact Analysis (TIA) may be required.